Finding the Fourth Proportional to 39,392,282.28, 54,361,142.10 and 22,876,468.68
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Solution
The fourth proportional to 39,392,282.28, 54,361,142.10 and 22,876,468.68 is: 31,569,406.31
Step by Step Solution
- Step 1: Write the proportion equation
39,392,282.28 : 54,361,142.10 = 22,876,468.68 : x - Step 2: Convert to fraction form
39,392,282.28/54,361,142.10 = 22,876,468.68/x - Step 3: Cross multiply
39,392,282.28x = 54,361,142.10 × 22,876,468.68 - Step 4: Simplify right side
39,392,282.28x = 1,243,590,964,659,679.50 - Step 5: Solve for x
x = 1,243,590,964,659,679.50/39,392,282.28 - Step 6: Final answer
x = 31,569,406.31
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.